-61.1% is the change from 838 to 326
Calculation steps:
[( 326 - 838 ) ÷ 838] x 100 = -61.1%
Formula
Percentage change = [(326 - 838) / 838] x 100
Subtract the new number by the original number
326 - 838 = -512
-512 ÷ 838 = -0.6109785202863962
-0.6109785202863962 x 100 = -61.1%